ML14079A617
| ML14079A617 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 03/31/2014 |
| From: | Tam Tran License Renewal Projects Branch 2 |
| To: | Gallagher M Exelon Generation Co |
| Tran T, 415-3617 | |
| References | |
| Download: ML14079A617 (4) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 March 31,2014 Mr. Michael P. Gallagher Vice President, License Renewal Projects Exelon Generation Company, LLC 200 Exelon Way Kennett Square, PA 19348
SUBJECT:
REQUESTS FOR ADDITIONAL INFORMATION FOR THE REVIEW OF THE BRAIDWOOD STATION, LICENSE RENEWAL APPLICATION ENVIRONMENTAL REPORT
Dear Mr. Gallagher:
By letter dated May 29, 2013, Exelon Generation Company, LLC (Exelon), submitted for review by the U.S. Nuclear Regulatory Commission (NRC or the staff) an application pursuant to Title 10 of the Code of Federal Regulations Part 54, to renew operating licenses NPF-72 and NPF-77 for Braidwood Station, Units 1 and 2. The staff is reviewing the information contained in the license renewal application environmental report and has identified, in the enclosure to this letter, areas where additional information is needed to complete the review.
These requests for additional information were discussed with Ms. Nancy Ranek, and a mutually agreeable date for the response is within 30 days from the date of this letter. If you have any questions, please contact me by phone at 301-415-3617 or by e-mail at Tam.Tran@nrc.gov.
Docket Nos, 50-456 and 50-457
Enclosure:
Requests for Additional Information cc w/encl: Listserv Sincerely, Tam Tran, Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation
- ML14079A617 Sincerely, IRA!
Tam Tran, Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation
- concurred via email OFFICE LA:DLR PM:RPB2:DLR BC:RPB2:DLR PM:RPB2:DLR NAME YEdmonds IT ran BWittick TTran DATE 3/25/14 3/25/14 3/31/14 3/31/14
Letter to M. Gallagher from T. Tran dated March 31, 2014
SUBJECT:
REQUESTS FOR ADDITIONAL INFORMATION FOR THE REVIEW OF THE BRAIDWOOD STATION, LICENSE RENEWAL APPLICATION ENVIRONMENTAL REPORT DISTRIBUTION:
HARDCOPY:
DLR RF E-MAIL:
PUBLIC E-MAIL:
RidsNrrDir Resource RidsNrrDirRpb1 Resource RidsNrrDirRpb2 Resource RidsNrrDirRerb Resource RidsNrrDirRarb Resource RidsNrrDirRasb Resource RidsNrrDirRapb Resource RidsNrrDlrRsrg Resource RidsNrrPMBraidwood Resource J. Daily, DLR L. James, DLR T. Tran, DLR Y. Diaz-Sanabria, DLR B. Wittick, DLR D. Mcintyre, OPA T. Riley, OCA S. Sheldon, Rill A. Barker, Rill E. Duncan, Rill A. Stone, Rill J. Benjamin, Rill V. Mitlyng, Rill
BRAIDWOOD STATION LICENSE RENEWAL APPLICATION ENVIRONMENTAL REPORT REQUESTS FOR ADDITIONAL INFORMATION Human Health-Microbiological Hazards RAI # H-1 Section 4.12, Page 4-37 of the Environmental Report states, "the circulating water and service water systems are both chlorinated to control bio-fouling, which also serves to inhibit growth of pathogens." Please provide a summary of Exelon's chlorination procedures for the circulating water and service water systems that includes the chlorine compounds used to treat each system as well as the concentrations and frequency of injection.
RAI # H-2 Provide the following Environmental Report reference for docketing (Please ensure that the requested document is suitable for archiving in the NRC public Agencywide Documents Access and Management System, and is free of proprietary, privileged or confidential information):
(Thuman 2009) Thuman, AJ. 2009. Thermal Impact and Mixing Zone Analysis. Letter to Bryan L. Risley, Braidwood Station May 4, 2009 (without Attachments I, II, Ill and IV).
ENCLOSURE